Spectacle front



FIG. 1 is a front elevational view of a spectacle front showing my new design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a side elevational view thereof, the opposite side having substantially the same appearance; and

FIG. 4 is a rear perspective view thereof.

The side not shown has substantially the same appearance as the side shown. 

The ornamental design for a spectacle front, substantially as shown and described. 